Example #1
0
func randomSettingID() http2.SettingID {
	return http2.SettingID(rand.Intn(6))
}
Example #2
0
func main() {
	filename := ""
	hostname := ""
	if len(os.Args) > 2 {
		filename = os.Args[1]
		hostname = os.Args[2]
	} else {
		fmt.Println("Usage: replay [JSON file] [host:port]\nExiting...")
		os.Exit(1)
	}
	file, err := ioutil.ReadFile(filename)
	if err != nil {
		panic(err)
	}

	var lines []string
	lines = strings.Split(string(file), "\n")

	for _, frameJSON := range lines {
		if len(frameJSON) < 1 {
			break
		}
		frame := util.FromJSON([]byte(frameJSON))
		c := fuzzer.NewConnection(hostname, true, true, true)

		switch frame["FrameMethod"] {
		case "RawFrame":
			fmt.Println(frame)
			frameType := http2.FrameType(uint8(frame["FrameType"].(float64)))
			flags := http2.Flags(uint8(frame["Flags"].(float64)))
			streamID := uint32(frame["StreamID"].(float64))
			payload := util.FromBase64(frame["Payload"].(string))
			c.Framer.WriteRawFrame(frameType, flags, streamID, payload)
		case "PingFrame":
			fmt.Println(frame)
			data := [8]byte{byte(frame["Byte1"].(float64)), byte(frame["Byte2"].(float64)), byte(frame["Byte3"].(float64)), byte(frame["Byte4"].(float64)), byte(frame["Byte5"].(float64)), byte(frame["Byte6"].(float64)), byte(frame["Byte7"].(float64)), byte(frame["Byte8"].(float64))}
			fmt.Println("SENDING DATA ", data)
			c.Framer.WritePing(false, data)
		case "SettingsFrame":
			fmt.Println(frame)
			num_settings := uint32(frame["NumberSettings"].(float64))
			settings := []http2.Setting{}
			for s := uint32(1); s < num_settings; s++ {
				setting_id := fmt.Sprintf("SettingID_%d", s)
				setting_val := fmt.Sprintf("SettingVal_%d", s)
				setting := http2.Setting{
					ID:  http2.SettingID(frame[setting_id].(float64)),
					Val: uint32(frame[setting_val].(float64)),
				}
				settings = append(settings, setting)
			}
			fmt.Println("Settings: ", settings)
			c.Framer.WriteSettings(settings...)
		case "PushPromise":
			fmt.Println(frame)
			promise := http2.PushPromiseParam{
				StreamID:      uint32(frame["StreamID"].(float64)),
				PromiseID:     uint32(frame["PromiseID"].(float64)),
				BlockFragment: util.FromBase64(frame["BlockFragment"].(string)),
				EndHeaders:    bool(frame["EndHeaders"].(bool)),
				PadLength:     uint8(frame["PadLength"].(float64)),
			}
			fmt.Println("Push Promise: ", promise)
			c.Framer.WritePushPromise(promise)
		case "HeaderFrame":
			header_frame := http2.HeadersFrameParam{
				StreamID:      uint32(frame["StreamID"].(float64)),
				BlockFragment: util.FromBase64(frame["BlockFragment"].(string)),
				EndStream:     bool(frame["EndStream"].(bool)),
				EndHeaders:    bool(frame["EndHeaders"].(bool)),
			}
			fmt.Println("Headers: ", header_frame)
			c.Framer.WriteHeaders(header_frame)
		case "RawTCPFrame":
			payload := frame["Payload"].(string)
			fmt.Println("RawTCP: ", payload)
			io.WriteString(c.Raw, string(payload))
		case "PriorityFrame":
			priority := http2.PriorityParam{
				StreamDep: uint32(frame["StreamDep"].(float64)),
				Exclusive: bool(frame["Exclusive"].(bool)),
				Weight:    uint8(frame["Weight"].(float64)),
			}
			streamID := uint32(frame["StreamID"].(float64))
			fmt.Println("PriorityFrame")
			c.Framer.WritePriority(streamID, priority)
		case "ContinuationFrame":
			streamID := uint32(frame["StreamID"].(float64))
			endStream := bool(frame["EndStream"].(bool))
			payload := util.FromBase64(frame["Payload"].(string))
			c.Framer.WriteContinuation(streamID, endStream, payload)
		case "DataFrame":
			streamID := uint32(frame["StreamID"].(float64))
			endStream := bool(frame["EndStream"].(bool))
			payload := util.FromBase64(frame["Payload"].(string))
			c.Framer.WriteData(streamID, endStream, payload)
		case "WindowUpdate":
			streamID := uint32(frame["StreamID"].(float64))
			incr := uint32(frame["Increment"].(float64))
			c.Framer.WriteWindowUpdate(streamID, incr)
		case "ResetFrame":
			streamID := uint32(frame["StreamID"].(float64))
			errorCode := http2.ErrCode(frame["ErrorCode"].(float64))
			c.Framer.WriteRSTStream(streamID, errorCode)
		}
	}
}
Example #3
0
func RunReplay(c *Connection, filename string) {

	file, err := os.Open(filename)
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		frameJSON := scanner.Text()
		frame := util.FromJSON([]byte(frameJSON))

		if c.Err != nil {
			fmt.Println("Connection Error", c.Err, "restarting connection")
			c = NewConnection(c.Host, c.IsTLS, c.IsPreface, c.IsSendSettings)
		}

		switch frame["FrameMethod"] {

		case "RawFrame":
			frameType := uint8(frame["FrameType"].(float64))
			flags := uint8(frame["Flags"].(float64))
			streamID := uint32(frame["StreamID"].(float64))
			payload := util.FromBase64(frame["Payload"].(string))
			c.WriteRawFrame(frameType, flags, streamID, payload)
		case "Ping":
			pingData := frame["Data"].([]interface{})
			var pingDataArray [8]byte
			for i := 0; i < len(pingData); i++ {
				pingDataArray[i] = uint8(pingData[i].(float64))
			}
			c.SendPing(pingDataArray)
		case "SettingsFrame":
			arrSettings := frame["Settings"].([]interface{})
			settings := make([]http2.Setting, len(arrSettings))
			for i := 0; i < len(arrSettings); i++ {
				singleSettingsInterface := arrSettings[i].(map[string]interface{})
				http2Setting := http2.Setting{http2.SettingID(singleSettingsInterface["ID"].(float64)), uint32(singleSettingsInterface["Val"].(float64))}
				settings[i] = http2Setting
			}
			c.WriteSettingsFrame(settings)
		case "DataFrame":
			streamID := uint32(frame["StreamID"].(float64))
			endStream := bool(frame["EndStream"].(bool))
			data := util.FromBase64(frame["Data"].(string))
			c.WriteDataFrame(streamID, endStream, data)
		case "PushPromiseFrame":
			streamID := uint32(frame["StreamID"].(float64))
			promiseID := uint32(frame["PromiseID"].(float64))
			blockFragment := util.FromBase64(frame["BlockFragment"].(string))
			endHeaders := frame["EndHeaders"].(bool)
			padLength := uint8(frame["PadLength"].(float64))
			promise := http2.PushPromiseParam{streamID, promiseID, blockFragment, endHeaders, padLength}
			c.WritePushPromiseFrame(promise)
		case "HeadersFrame":
			headers := frame["Headers"].(map[string]interface{})
			headers_map := make(map[string]string)
			for key, value := range headers {
				switch value := value.(type) {
				case string:
					headers_map[key] = value
				}
			}
			c.cmdHeaders(headers_map)
		case "ContinuationFrame":
			streamID := uint32(frame["StreamID"].(float64))
			endStream := frame["EndStream"].(bool)
			data := util.FromBase64(frame["Data"].(string))
			c.WriteContinuationFrame(streamID, endStream, data)
		case "PriorityFrame":
			streamID := uint32(frame["StreamID"].(float64))
			streamDep := uint32(frame["StreamDep"].(float64))
			weight := uint8(frame["Weight"].(float64))
			exclusive := frame["Exclusive"].(bool)
			c.WritePriorityFrame(streamID, streamDep, weight, exclusive)
		case "ResetFrame":
			streamID := uint32(frame["StreamID"].(float64))
			errorCode := uint32(frame["ErrorCode"].(float64))
			c.WriteResetFrame(streamID, errorCode)
			c = NewConnection(c.Host, c.IsTLS, c.IsPreface, c.IsSendSettings)
		case "WindowUpdateFrame":
			streamID := uint32(frame["StreamID"].(float64))
			incr := uint32(frame["Incr"].(float64))
			c.WriteWindowUpdateFrame(streamID, incr)
		}
	}
	fmt.Println("ALL DONE")
}